# 使用Python 3.10官方镜像
FROM python:3.10-slim

# 设置环境变量
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV DJANGO_SETTINGS_MODULE=devops_backend.settings

# 设置工作目录
WORKDIR /app

# 安装系统依赖
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        gcc \
        g++ \
        libpq-dev \
        libffi-dev \
        libssl-dev \
    && rm -rf /var/lib/apt/lists/*

# 复制requirements文件
COPY requirements.txt .

# 安装Python依赖
RUN pip install --no-cache-dir -r requirements.txt

# 复制项目文件
COPY . .

# 创建日志目录
RUN mkdir -p logs

# 收集静态文件
RUN python manage.py collectstatic --noinput

# 创建非root用户
RUN adduser --disabled-password --gecos '' appuser
RUN chown -R appuser:appuser /app
USER appuser

# 暴露端口
EXPOSE 8000

# 启动命令
CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "3", "devops_backend.wsgi:application"]
